Solving One and Two Step Equations Open Ended

Joey has to solve the system of equations using substitution. He has completed the work shown. What should be his next step?

• Nothing. He is done.

• He needs to write his solution as an ordered pair (0, 2).

• He needs to plug back in to one of the equations to find x.

• He needs to check his work to make sure he made no mistakes.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the equation:
-5x = 25

• x = 20

• x = -20

• x = -5

• x = 5

Tags

CCSS.6.EE.B.7

x - 8 = -5 

• 13

• -13

• 3

• -3

Tags

CCSS.6.EE.B.7

x + 12 = 20

• x = 32

• x = -32

• x = 8

• x = -8

Tags

CCSS.6.EE.B.7

Find the solution:
10 = 4x - 2

• x = 3

• x = 2

• x = -3

• x = -2

Tags

CCSS.7.EE.B.4A

4x + 7 = 23

• x = 16

• x = 4

• x = 9

• x = 12

Tags

CCSS.7.EE.B.4A

3(x - 2) = 18

• 6.7

• 4

• 8

• -4

• none of the above

Tags

CCSS.7.EE.B.4A

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.4A

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.4A

Solve:

3(x - 2) = 18

• 6.7

• 4

• 8

• -4

• none of the above

Tags

CCSS.7.EE.B.4A